59.5 newtons.
F = ma
First, let's calculate the acceleration using the kinematic equation:
v = u + at
Substitute the values:
10 = 0 + a x 4.2
a = 10 divided by 4.2
a = 2.38 m/s[tex]x^{2}[/tex]
Now, substitute the mass and acceleration back into the force equation:
F = 25 x 2.38
F = 59.5 N
